Audi B3 Fault Codes — 50 Codes

Fault codes: 50
Block: B3
Make group: Audi · Porsche · Bentley · Lamborghini
Source language: English

The 50 Audi · Porsche · Bentley · Lamborghini fault codes that start with B3, with descriptions.

Code	Description
`B303B`	A/C Refrigerant Expansion Valve Actuator Control Circuit/Open
`B303D`	A/C Refrigerant Expansion Valve Actuator Control Circuit High
`B3A00`	A/C Refrigerant Distribution Valve Actuator "C" Stuck/Open
`B3A01`	A/C Refrigerant Distribution Valve Actuator "C" Control Circuit/Open
`B3A02`	A/C Refrigerant Distribution Valve Actuator "C" Control Circuit Low
`B3A03`	A/C Refrigerant Distribution Valve Actuator "C" Control Circuit High
`B3A04`	A/C Refrigerant Distribution Valve "C" Control Circuit Driver Current/Temperature Too High
`B3A05`	A/C Refrigerant Distribution Valve Actuator "D" Stuck/Open
`B3A06`	A/C Refrigerant Distribution Valve Actuator "D" Control Circuit/Open
`B3A07`	A/C Refrigerant Distribution Valve Actuator "D" Control Circuit Low
`B3A08`	A/C Refrigerant Distribution Valve Actuator "D" Control Circuit High
`B3A09`	A/C Refrigerant Distribution Valve "D" Control Circuit Driver Current/Temperature Too High
`B3A0A`	A/C Chiller Refrigerant Expansion Valve Actuator Stuck/Open
`B3A0C`	A/C Refrigerant Expansion Valve Actuator Control Circuit Low
`B3A0E`	A/C Refrigerant Expansion Valve Actuator Control Circuit Driver Current/Temperature Too High
`B3A11`	A/C Refrigerant Expansion Valve Actuator - Performance or Incorrect Operation
`B3A12`	A/C Refrigerant Expansion Valve Actuator Temperature Range/Performance
`B3A13`	2013F A/C Refrigerant Distribution Valve "A" Actuator Control Circuit Performance
`B3A14`	A/C Refrigerant Distribution Valve "A" Actuator Temperature Range/Performance
`B3A15`	2014F A/C Refrigerant Distribution Valve "B" Actuator Control Circuit Performance
`B3A16`	A/C Refrigerant Distribution Valve "B" Actuator Temperature Range/Performance
`B3A17`	2015F A/C Refrigerant Distribution Valve "C" Actuator Control Circuit Performance
`B3A18`	A/C Refrigerant Distribution Valve "C" Actuator Temperature Range/Performance
`B3A19`	2016F A/C Refrigerant Distribution Valve "D" Actuator Control Circuit Performance
`B3A1A`	A/C Refrigerant Distribution Valve "D" Actuator Temperature Range/Performance
`B3A1B`	A/C System Pressure - Too High
`B3A1C`	A/C System Temperature - Too High
`B3A1E`	HVLM_timeout_charging_readiness_onboard_charger
`B3A24`	Front diffuser 1 control motor voltage too high
`B3A25`	Front diffuser 1 control motor voltage too low
`B3A26`	Front diffuser 1 control motor Coding error
`B3A27`	Front diffuser 1 mechanical system faulty
`B3A28`	Front diffuser 2 control motor voltage too high
`B3A29`	Front diffuser 2 control motor voltage too low
`B3A2A`	Front diffuser 2 control motor Coding error
`B3A2B`	Front diffuser 2 mechanical system faulty
`B3A35`	Front diffuser 1 control motor faulty
`B3A36`	E87F Active Aerodynamic Feature "A" Actuator Temperature not Plausible
`B3A39`	Front diffuser 1 mechanical system faulty
`B3A3E`	Front diffuser 2 control motor faulty
`B3A43`	Front diffuser 2 mechanical system faulty
`B3A5C`	30185 A/C Refrigerant Temperature Sensor "A" Intermittent/Erratic
`B3A5D`	A/C Refrigerant Temperature Sensor "B" Intermittent/Erratic
`B3A64`	A/C Refrigerant Expansion Valve "B" - Control Circuit Circuit Voltage Above Threshold
`B3A65`	A/C Refrigerant Expansion Valve Actuator "C" Control Circuit Circuit Voltage Above Threshold
`B3A70`	Sensor for battery current electrical malfunction
`B3A72`	Sensor for battery voltage electrical malfunction
`B3A76`	Nvem_obd_battery_disconnected
`B3A77`	A/C Refrigerant Expansion Valve Actuator "D" Control Circuit Voltage Above Threshold
`B3B00`	A/C System Pressure - Parameter Too High

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Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.

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